From 16bfa99e9bc9165510758dde07a4e02617e2b108 Mon Sep 17 00:00:00 2001
From: Anna Kuznetsova <akuznetsova@climate.com>
Date: Tue, 1 Jul 2014 11:34:00 -0700
Subject: [PATCH] Fix concat method of DataArray

---
 xray/data_array.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/xray/data_array.py b/xray/data_array.py
index 2397340b57a..2d2cc760dc1 100644
--- a/xray/data_array.py
+++ b/xray/data_array.py
@@ -704,8 +704,7 @@ def concat(cls, arrays, dimension='concat_dimension', indexers=None,
             concat_over = set()
         elif isinstance(concat_over, basestring):
             concat_over = set([concat_over])
-        else:
-            concat_over = set(concat_over) | set([name])
+        concat_over = set(concat_over) | set([name])
         ds = xray.Dataset.concat(datasets, dimension, indexers,
                                      concat_over=concat_over)
         return ds[name]